Pirates :：A nonfiction companion to Magic Tree House #4, Pirates Past Noon / Pirates：a nonfiction companion to Magic Tree House #4, Pirates Past Noon A nonfiction companion to Magic Tree House #4, Pirates Past Noon / Wild west :: a nonfiction companion to magic tree house #10, Ghost town at sundown / Space：a nonfiction companion to Magic tree house #8, Midnight on the moon Rain forests :：A nonfiction companion to magic tree house #6, Afternoon on the Amazon / a nonfiction companion to Magic tree house #8, Midnight on the moon Dog heroes :：a nonfiction companion to Magic tree house#46: Dogs in the dead of night / Warriors：a nonfiction companion to Magic tree house #31: Warriors in Winter Dog heroes：a nonfiction companion to Magic tree house #46: Dogs in the dead of night